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/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 2020 Huawei Technologies Co., Ltd. All rights reserved.
* Modifications Copyright (C) 2021 Samsung Technologies Co.
* Modifications Copyright (C) 2021 Orange.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.onap.so.adapters.cnf.client;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.onap.so.adapters.cnf.MulticloudConfiguration;
import org.onap.so.adapters.cnf.model.MulticloudInstanceRequest;
import org.onap.so.adapters.cnf.model.healthcheck.K8sRbInstanceHealthCheck;
import org.onap.so.adapters.cnf.model.healthcheck.K8sRbInstanceHealthCheckSimple;
import org.onap.so.adapters.cnf.model.statuscheck.K8sRbInstanceStatus;
import org.onap.so.client.exception.BadResponseException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Component;
import org.springframework.web.client.RestTemplate;
import java.util.ArrayList;
import java.util.List;
import static org.springframework.http.HttpMethod.DELETE;
import static org.springframework.http.HttpMethod.GET;
import static org.springframework.http.HttpMethod.POST;
@Component
public class MulticloudClient {
private static final Logger log = LoggerFactory.getLogger(MulticloudClient.class);
private final RestTemplate restTemplate;
private final MulticloudConfiguration multicloudConfiguration;
private final ObjectMapper objectMapper;
public MulticloudClient(RestTemplate restTemplate, MulticloudConfiguration multicloudConfiguration) {
this.restTemplate = restTemplate;
this.multicloudConfiguration = multicloudConfiguration;
this.objectMapper = new ObjectMapper();
}
public String upgradeInstance(String instanceId, MulticloudInstanceRequest upgradeRequest) throws BadResponseException {
MulticloudApiUrl multicloudApiUrl = new MulticloudApiUrl(multicloudConfiguration);
multicloudApiUrl.setInstanceId(instanceId);
String endpoint = multicloudApiUrl.apiUrl() + "/upgrade";
ResponseEntity<String> result = restTemplate.exchange(endpoint, POST, getHttpEntity(upgradeRequest), String.class);
checkResponseStatusCode(result);
log.info("upgradeInstance response status: {}", result.getStatusCode());
String body = result.getBody();
log.debug("upgradeInstance response body: {}", body);
return body;
}
public K8sRbInstanceStatus getInstanceStatus(String instanceId) throws BadResponseException {
MulticloudApiUrl multicloudApiUrl = new MulticloudApiUrl(multicloudConfiguration);
multicloudApiUrl.setInstanceId(instanceId);
String endpoint = multicloudApiUrl.apiUrl() + "/status";
ResponseEntity<String> result = restTemplate.exchange(endpoint, GET, getHttpEntity(), String.class);
checkResponseStatusCode(result);
log.info("getInstanceStatus response status: {}", result.getStatusCode());
String body = result.getBody();
log.debug("getInstanceStatus response body: {}", body);
try {
return objectMapper.readValue(body, K8sRbInstanceStatus.class);
} catch (JsonProcessingException e) {
throw new IllegalStateException(e);
}
}
public K8sRbInstanceHealthCheckSimple startInstanceHealthCheck(String instanceId) throws BadResponseException {
MulticloudApiUrl multicloudApiUrl = new MulticloudApiUrl(multicloudConfiguration);
multicloudApiUrl.setInstanceId(instanceId);
String endpoint = multicloudApiUrl.apiUrl() + "/healthcheck";
ResponseEntity<String> result = restTemplate.exchange(endpoint, POST, getHttpEntity(), String.class);
checkResponseStatusCode(result);
log.info("startInstanceHealthCheck response status: {}", result.getStatusCode());
String body = result.getBody();
log.debug("startInstanceHealthCheck response body: {}", body);
try {
return objectMapper.readValue(body, K8sRbInstanceHealthCheckSimple.class);
} catch (JsonProcessingException e) {
throw new RuntimeException(e);
}
}
public K8sRbInstanceHealthCheck getInstanceHealthCheck(String instanceId, String healthCheckInstance) throws BadResponseException {
MulticloudApiUrl multicloudApiUrl = new MulticloudApiUrl(multicloudConfiguration);
multicloudApiUrl.setInstanceId(instanceId);
String endpoint = multicloudApiUrl.apiUrl() + "/healthcheck/" + healthCheckInstance;
ResponseEntity<String> result = restTemplate.exchange(endpoint, GET, getHttpEntity(), String.class);
checkResponseStatusCode(result);
log.info("getInstanceHealthCheck response status: {}", result.getStatusCode());
String body = result.getBody();
log.debug("getInstanceHealthCheck response body: {}", body);
try {
return objectMapper.readValue(body, K8sRbInstanceHealthCheck.class);
} catch (JsonProcessingException e) {
throw new RuntimeException(e);
}
}
public void deleteInstanceHealthCheck(String instanceId, String healthCheckInstance) throws BadResponseException {
MulticloudApiUrl multicloudApiUrl = new MulticloudApiUrl(multicloudConfiguration);
multicloudApiUrl.setInstanceId(instanceId);
String endpoint = multicloudApiUrl.apiUrl() + "/healthcheck/" + healthCheckInstance;
ResponseEntity<String> result = restTemplate.exchange(endpoint, DELETE, getHttpEntity(), String.class);
checkResponseStatusCode(result);
log.info("deleteInstanceHealthCheck response status: {}", result.getStatusCode());
String body = result.getBody();
log.debug("deleteInstanceHealthCheck response body: {}", body);
if (!result.getStatusCode().is2xxSuccessful()) {
throw new IllegalStateException("Delete response different than 2xx:" + result.getStatusCode());
}
}
private HttpEntity<Void> getHttpEntity() {
HttpHeaders headers = getHttpHeaders();
return new HttpEntity<>(headers);
}
private HttpHeaders getHttpHeaders() {
HttpHeaders headers = new HttpHeaders();
List<MediaType> acceptableMediaTypes = new ArrayList<>();
acceptableMediaTypes.add(MediaType.APPLICATION_JSON);
headers.setAccept(acceptableMediaTypes);
headers.setContentType(MediaType.APPLICATION_JSON);
return headers;
}
private <T> HttpEntity<T> getHttpEntity(T body) {
HttpHeaders headers = getHttpHeaders();
return new HttpEntity<>(body, headers);
}
private void checkResponseStatusCode(ResponseEntity<String> result) throws BadResponseException {
HttpStatus statusCode = result.getStatusCode();
if (!statusCode.is2xxSuccessful()) {
throw new BadResponseException("Multicloud response status error", String.valueOf(statusCode.value()));
}
}
private class MulticloudApiUrl {
private String instanceId;
private final MulticloudConfiguration multicloudConfiguration;
MulticloudApiUrl(MulticloudConfiguration multicloudConfiguration1) {
this.multicloudConfiguration = multicloudConfiguration1;
}
String apiUrl() {
String instanceUri = multicloudConfiguration.getMulticloudUrl() + "/v1/instance/";
return instanceId.equals("") ? instanceUri : instanceUri + instanceId;
}
void setInstanceId(String instanceId) {
this.instanceId = instanceId;
}
}
}
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